bbse
Platinum Member
I have a 3525 that will run great until the fuel in the tank gets below the pump return line. Then it starts missing and sputtering as it is sucking air. I am going to change the line(DUH) but before I do, I thought I would throw it out there in case some one has seen this before. I do not smell diesel and there are no leaks so I thought it might be something else. I am not sure how the fuel bypass and return to tank from the injector pump works.